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LT5558EUF#PBF

更新时间： 2024-11-11 13:09:43
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
16页 316K
描述
LT5558 - 600MHz to 1100MHz High Linearity Direct Quadrature Modulator; Package: QFN; Pins: 16; Temperature Range: -40°C to 85°C

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中文翻译

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LT5558EUF#PBF 技术参数

是否Rohs认证：符合生命周期：Transferred
零件包装代码：QFN包装说明：HVQCCN, LCC16,.16SQ,25
针数：16Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：7.48Is Samacsys：N
JESD-30 代码：S-PQCC-N16JESD-609代码：e3
长度：4 mm湿度敏感等级：1
功能数量：1端子数量：16
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：PLASTIC/EPOXY封装代码：HVQCCN
封装等效代码：LCC16,.16SQ,25封装形状：SQUARE
封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度（摄氏度）：260
电源：5 V认证状态：Not Qualified
座面最大高度：0.8 mm子类别：Other Telecom ICs
最大压摆率：0.135 mA标称供电电压：5 V
表面贴装：YES技术：BIPOLAR
电信集成电路类型：RF AND BASEBAND CIRCUIT温度等级：INDUSTRIAL
端子面层：Matte Tin (Sn)端子形式：NO LEAD
端子节距：0.65 mm端子位置：QUAD
处于峰值回流温度下的最长时间：30宽度：4 mm
Base Number Matches：1

LT5558EUF#PBF 数据手册

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LT5558  
600MHz to 1100MHz  
High Linearity Direct  
Quadrature Modulator  
FEATURES  
DESCRIPTION  
The LT®5558 is a direct I/Q modulator designed for high  
performance wireless applications, including wireless  
infrastructure. It allows direct modulation of an RF signal  
using differential baseband I and Q signals. It supports  
GSM, EDGE, CDMA, CDMA2000, and other systems. It  
may also be configured as an image reject upconverting  
mixer, by applying 90° phase-shifted signals to the I and  
Qinputs. ThehighimpedanceI/Qbasebandinputsconsist  
of voltage-to-current converters that in turn drive double-  
balancedmixers.Theoutputsofthesemixersaresummed  
and applied to an on-chip RF transformer, which converts  
thedifferentialmixersignalstoa50Ωsingle-endedoutput.  
The balanced I and Q baseband input ports are intended  
for DC coupling from a source with a common-mode  
voltage level of about 2.1V. The LO path consists of an LO  
buffer with single-ended input, and precision quadrature  
generators which produce the LO drive for the mixers.  
The supply voltage range is 4.5V to 5.25V.  
■
Direct Conversion from Baseband to RF  
■
High OIP3: + 22.4dBm at 900MHz  
■
Low Output Noise Floor at 20MHz Offset:  
No RF: –158dBm/Hz  
P
OUT  
= 4dBm: –152.7dBm/Hz  
■
■
■
■
Low Carrier Leakage: –43.7dBm at 900MHz  
High Image Rejection: –49dBc at 900MHz  
3 Channel CDMA2000 ACPR: –70.4dBc at 900MHz  
Integrated LO Buffer and LO Quadrature Phase  
Generator  
■
■
50Ω AC-Coupled Single-ended LO and RF Ports  
High Impedance Interface to Baseband Inputs  
with 2.1V Common Mode Voltage  
■
16-Lead QFN 4mm × 4mm Package  
APPLICATIONS  
■
RFID Single-Sideband Transmitters  
■
Infrastructure T for Cellular and ISM Bands  
X
■
■
Image Reject Up-Converters for Cellular Bands  
Low-Noise Variable Phase-Shifter for 600MHz to  
1100MHz Local Oscillator Signals  
Microwave Links  
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
■
TYPICAL APPLICATION  
CDMA2000 ACPR, AltCPR and Noise vs  
RF Output Power at 900MHz for 1 and 3 Carriers  
600MHz to 1100MHz Direct Conversion Transmitter Application  
5V  
2 x 100nF  
V
CC  
8, 13  
–40  
–50  
–60  
–70  
–110  
–120  
–130  
–140  
DOWNLINK TEST  
MODEL 64 DPCH  
LT5558  
14  
16  
RF = 600MHz TO  
1100MHz  
3-CH ACPR  
3-CH ALTCPR  
IDAC  
V-1  
I-CH  
∫
∫
PA  
11  
O°  
1
1-CH ACPR  
1-CH NOISE  
EN  
90°  
BALUN  
Q-CH  
V-1  
7
5
QDAC  
1-CH ALTCPR  
3-CH NOISE  
–80  
–90  
–150  
–160  
BASEBAND  
GENERATOR  
–30  
–20  
–15  
–10  
–5  
0
–25  
RF OUTPUT POWER PER CARRIER (dBm)  
5558 TA01  
3
2, 4, 6, 9, 10,  
12, 15, 17  
5558 TA01b  
VCO/SYNTHESIZER  
5558fa  
1
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中文翻译

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